Book Image

Django 2 by Example

By : Antonio Melé
Book Image

Django 2 by Example

By: Antonio Melé

Overview of this book

If you want to learn the entire process of developing professional web applications with Django 2, then this book is for you. You will walk through the creation of four professional Django 2 projects, teaching you how to solve common problems and implement best practices. You will learn how to build a blog application, a social image bookmarking website, an online shop and an e-learning platform. The book will teach you how to enhance your applications with AJAX, create RESTful APIs and set up a production environment for your Django 2 projects. The book walks you through the creation of real-world applications, solving common problems, and implementing best practices. By the end of this book, you will have a deep understanding of Django 2 and how to build advanced web applications.
Table of Contents (15 chapters)

Creating image thumbnails using sorl-thumbnail

We display the original image on the detail page, but dimensions for different images may vary a lot. Also, the original files for some images might be huge, and loading them might take too long. The best way to display optimized images in a uniform way is to generate thumbnails. We will use a Django application called sorl-thumbnail for this purpose.

Open the terminal and install sorl-thumbnail using the following command:

pip install sorl-thumbnail==12.4.1

Edit the settings.py file of the bookmarks project and add sorl.thumbnail to the INSTALLED_APPS setting, as follows:

INSTALLED_APPS = [
# ...
'sorl.thumbnail',
]

Then, run the following command to sync the application with your database:

python manage.py migrate

You should see an output that includes the following line:

Applying thumbnail.0001_initial... OK...